globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2015MS000435
Scopus记录号: 2-s2.0-84944884296
论文题名:
Idealized global nonhydrostatic atmospheric test cases on a reduced-radius sphere
作者: Klemp J; B; , Skamarock W; C; , Park S; -H
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2015
卷: 7, 期:3
起始页码: 1155
结束页码: 1177
语种: 英语
英文关键词: Atmospheric turbulence ; Dynamics ; Geometry ; Landforms ; Atmospheric simulations ; Cartesian geometry ; Cloud microphysics ; Convergent behavior ; Global modeling ; Nonhydrostatic model ; Quantitative comparison ; Supercell thunderstorms ; Spheres ; atmospheric modeling ; cloud microphysics ; dynamic analysis ; geometry ; model test ; quantitative analysis ; sphere ; supercell ; thunderstorm
英文摘要: Idealized simulations on a reduced-radius sphere can provide a useful vehicle for evaluating the behavior of nonhydrostatic processes in nonhydrostatic global atmospheric dynamical cores provided the simulated cases exhibit good agreement with corresponding flows in a Cartesian geometry, and for which there are known solutions. Idealized test cases on a reduced-radius sphere are presented here that focus on both dry and moist dynamics. The dry dynamics cases are variations of mountain-wave simulations designed for the Dynamical Core Model Intercomparison Project (DCMIP), and permit quantitative comparisons with linear analytic mountain-wave solutions in a Cartesian geometry. To evaluate moist dynamics, an idealized supercell thunderstorm is simulated that has strong correspondence to results obtained on a flat plane, and which can be numerically converged by specifying a constant physical diffusion. A simple Kessler-type routine for cloud microphysics is provided that can be readily implemented in atmospheric simulation models. Results for these test cases are evaluated for simulations with the Model for Prediction across scales (MPAS). They confirm close agreement with corresponding simulations in a Cartestian geometry; the mountain-wave results agree well with analytic mountain-wave solutions, and the simulated supercells are consistent with other idealized supercell simulation studies and exhibit convergent behavior. © 2015. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75998
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: National Center for Atmospheric Research, Boulder, CO, United States

Recommended Citation:
Klemp J,B,, Skamarock W,et al. Idealized global nonhydrostatic atmospheric test cases on a reduced-radius sphere[J]. Journal of Advances in Modeling Earth Systems,2015-01-01,7(3)
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